This figure has rock units and geologic features that are assigned letters that are not in any particular order.From the geologic relations,what is the youngest unit or feature of those listed below? 
Definitions:
Stress Management
Techniques and strategies used to control an individual's level of stress, improving everyday functioning.
Hypertension
A medical condition characterized by consistently high blood pressure, which can lead to significant health issues if not managed.
Plumbing Analogy
A metaphor often used in psychology to explain the flow of psychic energy and how blockages can lead to psychological issues.
Atherosclerosis
A build-up of deposits, known as plaques, on the walls of the blood vessels. Atherosclerosis can narrow the openings of arteries enough to compromise the blood supply to the heart or the brain, leading to myocardial infarction or stroke.
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